James
James 5:3BSB·traditional attribution

Your gold and silver are corroded. Their corrosion will testify against you and consume your flesh like fire. You have hoarded treasure in the last days.

John Calvin Reformed @genevareformer

3 A witness against you. He confirms the explanation I have already given. For God has not appointed gold for rust, nor garments for moths; but, on the contrary, be has designed them as aids and helps to human life. Therefore, even spending without benefit is a witness of inhumanity.

Matthew Henry Presbyterian @wholebiblehenry

The apostle is here addressing first sinners and then saints. I. Let us consider the address to sinners; and here we find James seconding what his great Master had said: Woe unto you that are rich; for you have received your consolation, Luk 6:24.

Commenting on James 5:1-11

John Gill Reformed Baptist @doctorgill

Your gold and silver is cankered,.... Or grown rusty like iron, by lying long without use; this is not easily and quickly done, but in length of time gold and silver will change, and contract a rustiness; and so this conveys the same idea of hoarding up riches and laying up money, without making use of it in trade, for the support of the poor...